nosmelc t1_j9th4j4 wrote
Reply to comment by lukinhasb in Would an Earth-like planet with identical technology be able to detect signals from us? by lukinhasb
Yes radio does lose power when it travels long distances.
I think radio might be the most appropriate for this kind of communication because it should be the first method of communication that technological civilizations discover. That means everybody should be able to send and receive radio.
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